getPipeline{
  ChannelPipeline pipeline=pipeline();
    io.netty.channel.ChannelPipeline.addLast
  io.netty.channel.ChannelPipeline.addLast
  io.netty.channel.ChannelPipeline.addLast
  io.netty.channel.ChannelPipeline.addLast
  return pipeline;
}
